/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.transforms;



import com.bff.gaia.unified.sdk.coders.Coder;



import java.io.Serializable;



/**

 * A function that computes an output value of type {@code OutputT} from an input value of type

 * {@code InputT}, is {@link Serializable}, and does not allow checked exceptions to be declared.

 *

 * <p>To allow checked exceptions, implement the superinterface {@link ProcessFunction} instead. To

 * allow more robust {@link Coder Coder} inference, see {@link

 * InferableFunction}.

 *

 * @param <InputT> input value type

 * @param <OutputT> output value type

 */

@FunctionalInterface

public interface SerializableFunction<InputT, OutputT>

    extends ProcessFunction<InputT, OutputT>, Serializable {

  /** Returns the result of invoking this function on the given input. */

  @Override

  OutputT apply(InputT input);

}